Furnace/HVAC Replacement Cost in Denver (2026)
Average cost in Denver
US$5,290 — US$23,276
US$5 — US$12 per sq ft
Cost Breakdown
ItemizedFurnace and AC units
55%
Installation and removal
30%
Venting, piping, and electrical
10%
Denver mechanical permits
2%
Old unit haul-away
3%
Sales Tax at 2.9%
📋What's Included
ScopeTypically Includes
- Furnace or AC unit
- Thermostat
- Basic ductwork connections
- Refrigerant
- Labor & installation
- Old unit disposal
Typically Excludes
- Full ductwork replacement
- Zoning systems
- Smart home integration
- Permits & inspections
- Humidifier or air purifier
Based on a standard 2,000 sq ft home with existing ductwork.
🧮Estimate Your Cost
InteractiveEstimated Cost
US$5,962 — US$8,944
Based on 7 sources and market data for Denver. Actual costs may vary depending on specific project requirements.
📈Price Momentum
Year-over-year~1 year ago
US$11,290
Today
US$12,103
Furnace/HVAC Replacement in Denver is ↑ 7.2% compared to roughly a year ago — about US$813 more on the average project.
Comparison derived from the year-over-year change rate, not a month-by-month price index. We don't store historical snapshots yet — when we do, this will become a real time series.
🏢Top HVAC Replace Contractors in Denver
Verified providersThe Weather Changers Heating and Air Conditioning
10525 E 40th Ave #203, Denver, CO 80239, USA
1,288 reviews
UniColorado Heating & Cooling
2700 W Evans Ave #100, Denver, CO 80219, USA
141 reviews
Comfort Pros Heating and Air Conditioning
7270 Gilpin Way #220, Denver, CO 80229, USA
615 reviews
Provider data sourced from public business directories. Ratings and reviews are public and may change. LookupCost is not affiliated with listed providers.
💬What People Actually Paid
Community❓Common Questions
Yes. Due to Denver's 5,280-foot elevation, furnaces require altitude kits and orifice resizing to ensure proper combustion. This typically adds $200 to $500 to the installation cost.
No. Xcel Energy's rebates for high-efficiency gas furnaces and boilers officially expired on January 1, 2026. Current incentives are exclusively focused on heat pumps and electrification.
Homeowners in Denver typically save between $500 and $1,500 in labor costs by bundling the replacement, as it reduces the contractor's time on-site and simplifies ductwork connections.
Xcel Energy offers a standard rebate of $2,250 per heating ton for cold-climate heat pumps. Additionally, the Colorado state tax credit provides an upfront $1,000 discount directly on the invoice.
Yes, a mechanical permit from the Denver Community Planning and Development office is required. Fees are based on project valuation and generally range from $83 to $275 for residential systems.
📊Our Methodology
How we collect dataAggregated from 5+ verified web sources and cost databases
Licensed contractor estimates and regional cost guides
Government construction and labor statistics
Community-reported project costs and reviews
Last data collection: 4 days ago. Updates run weekly. All costs in USD.
About this data
Cost figures are estimates synthesized from public market data using AI research and refreshed regularly. Real project costs vary by scope, materials, contractor, and site conditions. Always get verified quotes from licensed contractors for your specific project.
Spotted bad data? Let us know — we'll review and update.